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  • Title: Complexes between herpes simplex virus glycoproteins gD, gB, and gH detected in cells by complementation of split enhanced green fluorescent protein.
    Author: Avitabile E, Forghieri C, Campadelli-Fiume G.
    Journal: J Virol; 2007 Oct; 81(20):11532-7. PubMed ID: 17670828.
    Abstract:
    The interactions between herpes simplex virus gD and its nectin1 receptor or between gD, gB, and gH were analyzed by complementation of the N and C portions of split enhanced green fluorescent protein (EGFP) fused to the glycoproteins. The gD(N)-Nect(C) complex was readily detected; the gD(N)-gC(C) complex was undetectable, highlighting the specificity of the assay. Split EGFP complementation was detected between proteins designated gD(N)+gH(C), gD(N)+gB(C), and gH(N)+gB(C)+wtgD (gB was deleted of endocytosis motifs), both in cells transfected with two-tree glycoproteins and in syncytia. The in situ assay provides evidence that gD interacts with gH and gB independently of each other and supports a model whereby gH and gB in complex exert their activities to gD.
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